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LakeQuality

Little Bemidji Lake

Becker County, Minnesota293 acresView mapDirections

Minnesota PCA publishes the water-quality measurements for Little Bemidji Lake. Here is what has been measured.

Clarity
12.1 ft
Typical for Minnesota
Secchi · sampled 2023
Phosphorus
11 µg/L
Less phosphorus than most
Measured by Minnesota PCA
Chlorophyll-a
2.7 µg/L
Less algae than most
Measured by Minnesota PCA
Max depth
58 ft
Bathymetric survey
Area
293 acres
Surface area
Type
Mesotrophic
Trophic class
  • Mesotrophic
  • 58 ft max depth
  • Public access
  • Limited data

Little Bemidji Lake in Becker County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 12.1 ft visibility. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 2.7 µg/L. Maximum depth: 58 ft. Surface area: 292.88 acres.

Minnesota DNR's Standard Survey on July 17, 2023 caught 2.33 walleye per gill net at Little Bemidji Lake. DNR survey details →

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Little Bemidji Lake is a 293-acre mesotrophic lake in Becker County, Minnesota with a maximum depth of 58 feet. Overall water quality is declining over recent sampling years. The lake supports 16 documented fish species including black bullhead, black crappie, and bluegill. Public access is available with 2 public boat landings. Compared to the 83 other monitored lakes in Becker County, Little Bemidji Lake ranks #49 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2023-09-19. Methodology: how these readings are compared.

Little Bemidji Lake covers about 290 acres in Becker County. It has 2 public boat landings, so a lakefront rental is not the only way to get a boat on the water. The median ice-out date is April 14, which is when the open-water season begins. Vrbo is where to look for cabins and lake homes around Little Bemidji Lake, and Booking.com and Expedia search hotels near the lake for your dates.

What Little Bemidji Lake is good for

From access and monitoring records, not editorial picks.

  • Clear water12.1 ft of visibility
  • Boat launch2 documented ramps
  • Fishing16 species recorded
  • Ice seasonIce-out around Apr 14
  • Deep water58 ft surveyed max depth

Swimming conditions

Readings only

Limited data

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Little Bemidji Lake is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Little Bemidji Lake

These are the measurements Minnesota PCA publishes for Little Bemidji Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Good clarity, visible to about 12.1 ft. Phosphorus 11 µg/L. Chlorophyll-a 2.7 µg/L. TSI 40.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)12.1ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus11µg/LGood
GoodFairPoor
Chlorophyll-a (algae)2.7µg/LGood
GoodFairPoor
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.40Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Little Bemidji Lake

Answers come straight from the public measurements and survey records on this page.

DNR fisheries survey

Minnesota DNR's Standard Survey on July 17, 2023 caught 2.33 walleye per gill net at Little Bemidji Lake.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Little Bemidji Lake’s water-quality measurements separately, and the water-quality trend over 4 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.

DNR Fisheries Survey Summary

12 surveys on file from MN DNR Fisheries. Most recent: 2023-07-17 (Standard Survey).

12 surveys on file · most recent 2023-07-17 (Standard Survey)

SpeciesCatch rate (CPUE)SizeAvg weight
Bluegill
15.49
2–8 in
2023-07-17
0.13 lb
Yellow Perch
13.85
5–9 in
2023-07-17
0.15 lb
Tullibee (Cisco)
10.77
7–16 in
2023-07-17
1.24 lb

CPUE = catch per unit effort, fish caught per net per set in a standardised survey. It measures abundance, not size, and is not a weekly bite report.

Length Distributions

Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.

Bluegill

313 fish · 2–8 in · 2023-07-17
1175902345678

Yellow Perch

19 fish · 5–9 in · 2023-07-17
63056789

Tullibee (Cisco)

132 fish · 7–16 in · 2023-07-17
4020078910111213141516

From the 2023-07-17 survey

Little Bemidji is a lightly developed, 293-acre lake in north central Becker County, within the Ottertail River Watershed. The surrounding watershed is primarily mixed hardwood and conifer forest, with light development. There is a resort on the northwest shore and a public access on the west central shore. Boat…

Source: MN DNR LakeFinder Fisheries Lake Survey

DNR Reports & Resources

Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Little Bemidji Lake. 4 reports on file.

These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).

Lake Details

Max depth

58 ft

Surface area

293 acres

Shoreline

3.1 mi

Littoral zone

20%

Share shallower than 15 ft

Public access

Yes

Listed by Minnesota PCA

Lake Size & Watershed

Watershed (drainage) area

48 sq mi

HydroLAKES / HydroSHEDS

Elevation

1,496 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).

Recreation & Access

2
Boat Landings
Yes
Public Access
  • Little Bemidji LakePublic
  • Rainbow ResortSemi-private

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Little Bemidji Lake

Compare lakeside cabins, hotels, and vacation rentals near Little Bemidji Lake in Becker County, Minnesota — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Little Bemidji Lake

Prices for Oct 9–11, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Minnesota’s top lakes →

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Fish Species

Click a species to see every lake where it is documented.

Fishing Little Bemidji Lake

Based on 4 years of monitoring (2022–2025).

  • Water clarity

    Worsening

    4 years

  • Phosphorus

    Worsening

    +4.5 µg/L/yr4 years

  • Chlorophyll-a

    Worsening

    +3.39 µg/L/yr4 years

See year-by-year chart →

Ice season

Typical ice-out

Apr 14

Earliest Apr 4, 2021 · Latest Apr 26, 2020

Typical ice-in

Dec 2

Earliest Nov 23, 2003 · Latest Dec 8, 2004

Most recent ice-out

Apr 6

2024

19 observations · Minnesota PCA ice records

Reservoir Info (USACE NID)

Little Bemidji Lake is a man-made reservoir impounded by the Little Bemidji Lake (completed 1938), built primarily for recreation on the Otter Tail River; gravity-type dam, 9 ft tall and 50 ft long.

Surface area
290 ac
Normal storage
12,480 ac-ft
Max storage
13,312 ac-ft
Drainage area
45.3 sq mi
Hazard class
Low
Owner
MNDNR

Source: USACE National Inventory of Dams, NID ID MN00025 · Operator website

Nearby Lakes in Becker County

Frequently asked questions about Little Bemidji Lake

Where is Little Bemidji Lake?

Little Bemidji Lake is a lake in Becker County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.

What is the water quality of Little Bemidji Lake?

Little Bemidji Lake in Becker County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 12.1 ft visibility. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 2.7 µg/L. Maximum depth: 58 ft. Surface area: 292.88 acres.

Measurements on this page ↑

Is Little Bemidji Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Little Bemidji Lake?

Little Bemidji Lake has a maximum depth of 58 feet. The lake covers 292.88 acres.

What fish are in Little Bemidji Lake?

Fish species found in Little Bemidji Lake include black bullhead, black crappie, bluegill, bowfin (dogfish), brown bullhead, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, tullibee (cisco), walleye, white sucker, yellow bullhead, yellow perch. Little Bemidji Lake is located in Becker County, Minnesota.

Fish on this page ↑

What did the DNR fisheries survey find at Little Bemidji Lake?

Minnesota DNR's Standard Survey on July 17, 2023 caught 2.33 walleye per gill net at Little Bemidji Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Little Bemidji Lake’s water-quality measurements separately, and the water-quality trend over 4 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.

DNR on this page ↑

When does Little Bemidji Lake thaw?

Little Bemidji Lake typically has ice-out around Apr 14. Ice typically forms around Dec 2. The open water season is approximately 232 days.

Are there boat ramps on Little Bemidji Lake?

Little Bemidji Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Little Bemidji Lake, Rainbow Resort. Public access is listed as yes.

Access on this page ↑

Can I fish at Little Bemidji Lake?

Little Bemidji Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Minnesota's fish and wildlife agency, so check its current regulations before you go.

Access on this page ↑

State Parks Near Little Bemidji Lake

Where this data comes from

40 measurements from 2 monitoring stations, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Chippewa Tribe, Minnesota (White Earth Band) (Tribal)WEARTH_WQX40 samples · 2023

Analytical methods

  • Field measurement/observation, generic method
  • Phosphorus by Two Reagent Colorimetry
  • 10200 H ~ Chlorophyll a-b-c Determination
  • Turbidity by Nephelometry
Monitoring station identifiers (2)

EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.

Other records on this page

Lake size & watershed from HydroLAKES (HydroSHEDS)

Lake details from Minnesota DNR LakeFinder

Named boat-access points from the USGS National Boat Ramps inventory

Ice data from Minnesota DNR Climate